Strong mag. 6.2 earthquake - Tonga on Saturday, 24 February 1990 at 19:13 (GMT)

Strong mag. 6.2 earthquake - Tonga on Saturday, 24 February 1990 at 19:13 (GMT)

Strong magnitude 6.2 earthquake at 33 km depth

Date & time: 24 Feb 1990 19:13:14 UTC
Magnitude: 6.2
Profondeur: 33.0 km
Epicenter latitude / longitude: 15.523°S / 175.236°W (Tonga)
Volcan le plus près: Niuafo'ou (43 km / 27 mi)
Nearby towns and cities:
161 km ONO de Hihifo (pop: 815) --> Voir les séismes à proximité!
269 km SSE de Mata-Utu (Hahake, Wallis-et-Futuna) (pop: 1,200) --> Voir les séismes à proximité!
358 km SO de Asau (Samoa) (pop: 6,640) --> Voir les séismes à proximité!
372 km NNO de Neiafu (pop: 4,320) --> Voir les séismes à proximité!
382 km SO de Safotu (Samoa) (pop: 1,210) --> Voir les séismes à proximité!
392 km OSO de Mulifanua (Samoa) (pop: 4,510) --> Voir les séismes à proximité!
402 km OSO de Fasito‘outa (Samoa) (pop: 2,100) --> Voir les séismes à proximité!
418 km OSO de Apia (Samoa) (pop: 40,400) --> Voir les séismes à proximité!
432 km OSO de Lufilufi (Samoa) (pop: 1,070) --> Voir les séismes à proximité!
625 km N de Nuku'alofa (pop: 22,400) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
MagnitudeProfondeurLocationSource
M 6.233 kmTongaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 6.2 quake Tonga 24 February 1990 19:13 GMT

More info
Recorded aftershocks, latest first (3 quakes):
  • 13 Aug 1990 13:30 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    73 km (46 mi) distance
    | USGS | Details
  • 25 Jul 1990 13:37 UTC
    | M 5.1 |
    280.4 km (174.2 mi) depth
    |
    56 km (35 mi) distance
    | USGS | Details
  • 08 Mar 1990 01:06 UTC
    | M 4.9 |
    309.4 km (192.3 mi) depth
    |
    36 km (23 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Strong mag. 6.2 earthquake - Tonga on Saturday, 24 February 1990 at 19:13 (GMT)
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